Venkateswarlu Dhankula

Project-1: Electronic Data Transfer (EDT) Service for Syniverse

Role: Providing and supporting the EDT service for Syniverse, a company that routes billions of text messages and other data for wireless carriers and operators worldwide.
Service Function: Acts as a generic gateway for all Syniverse non-direct application data transfers, using FTP, SFTP, and NDM protocols to send and receive files from various sources and destinations.
Team: consists of 15 members working in a Linux/Unix environment 24/7, with Oracle 11g database and various tools such as SecureCRT, Putty, SQL Developer, BMC Remedy, and Netcool.

• Key Responsibilities:
• Monitoring feeds/files for respective regions and times (EU/NA/IDC).
• Checking logs for unprocessed or failed files and following up with customers to resolve issues.
• Performing initial troubleshooting and providing support during maintenance, implementation, or upgrades.
• Editing configuration files with vi editor, bouncing the config, and reprocessing files.
• Manually transferring files with FTP/SFTP based on customer requests.
• Conducting initial investigations, checking manual FTP or SFTP, reviewing logs for file piles, and engaging the network team if required, as well as coordinating with customers.
• Resolving customer queries through incidents and service requests on a priority/severity basis.
• Handling escalated calls and emails, providing 1st and 2nd level technical support to end-users and internal support teams.
• Generating and sharing Agent Client Reports (ACR) on a weekly basis.
• Resetting passwords and RSA keys for both incoming and outgoing flows for security reasons.

Project-2: ACCWEB/DATANET
ACCWEB (Accessibility Web): A web-based online reporting tool that enables users/customers to connect to ACCESS and view reports using a web browser. Reports can be viewed online and downloaded in various formats (RTF/Excel/HTML). Daily reports are retained for six months and settlement reports for two years.
DataNet: Responsible for ensuring GSM operators comply with the GSM Near Real Time Roaming Data Exchange (NRTRDE) mandate to enhance fraud protection capabilities. Managed the near real-time exchange of call records, allowing operators to track roaming activity in a timely manner.

Key Responsibilities:

• Used ACCWEB to connect to ACCESS and view, download, and generate reports in various formats.
• Monitored and resolved issues related to customer feeds, micro cycles, job halts, and disk space using L2 actions and internal teams.
• Collaborated with internal teams (DBA/SA/NW/OPS) to address delays in micro cycle completion of reports as per SLA.
• Engaged the Incident Response Team (IRT) and management if reports were not available within the specified time (SLA).
• Ensured GSM operators’ compliance with the NRTRDE mandate to enhance fraud protection capabilities.
• Exchanged call records in near real-time and tracked roaming activity across three regions (EU, NA, & India-IDC).
• Separated and validated files meant for different HPMNs sent by the VPMNs.

• Monitored network capacity and performance to diagnose and resolve complex network issues.
• Provided network support services for devices such as hubs, bridges, routers, and other hardware.
• Reduced downtime through proactive monitoring of network devices and rapid troubleshooting.
• Optimized routing protocols to enhance data transfer speeds across the organization’s network infrastructure.
• Improved network performance by identifying and resolving bottlenecks, optimizing configurations, and implementing best practices.
• Delivered end-user support by troubleshooting connectivity issues and providing guidance on the proper use of networking equipment.
• Troubleshot complex, multi-vendor network service provider issues.
• Managed, tracked, and coordinated problem resolution and escalation processes.
• Increased overall network stability by performing root cause analysis on recurring issues, and implementing long-term solutions.
• Collaborated with cross-functional teams to ensure seamless integration of new technologies into the existing network architecture.